name = "周润发"
address = "香港"
age = 18
hobby = "拍电影"
s = "我叫%s,我住在%s,我今年%d岁，我喜欢%s"%(name,address,age,hobby)
print(s)
print()
s2 = "我叫{},我住在{},我今年{}岁，我喜欢{}".format(name,address,age,hobby)
print(s2)

s3 = f"我叫{name},我住在{address},我今年{age},我喜欢{hobby}岁"
print(s3)